diff --git a/README.md b/README.md
index 991342f..e7a7467 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,9 @@ Arguments:
   SOURCE:             Folder with Sensospot measurement
 
 Options:
-  -o, --outfile TEXT  Output file name, relative to SOURCE, defaults to 'collected_data.csv'
+  -o, --outfile TEXT  Output file name, use a dash '-' for stdout, default:
+                      'collected_data.csv'
+  -q, --quiet         Ignore Sanity Check
   --help              Show this message and exit.
 ```
 
diff --git a/sensospot_data/__init__.py b/sensospot_data/__init__.py
index 9dad0a0..8990ed8 100644
--- a/sensospot_data/__init__.py
+++ b/sensospot_data/__init__.py
@@ -6,6 +6,7 @@ Parsing the numerical output from Sensovations Sensospot image analysis.
 __version__ = "0.6.0"
 
 
+import sys
 from pathlib import Path
 
 import click
@@ -29,7 +30,10 @@ from .parameters import ExposureInfo  # noqa: F401
     "-o",
     "--outfile",
     default="collected_data.csv",
-    help="Output file name",
+    help=(
+        "Output file name, use a dash '-' for stdout, "
+        "default: 'collected_data.csv'"
+    ),
 )
 @click.option(
     "-q",
@@ -42,5 +46,8 @@ def run(source, outfile, quiet=False):
     source_path = Path(source)
     # read the raw data of a folder
     raw_data = parse_folder(source_path, quiet=quiet)
-    csv_file = source_path / outfile
-    raw_data.to_csv(csv_file, sep="\t")
+    if outfile.strip() == "-":
+        raw_data.to_csv(sys.stdout, sep="\t")
+    else:
+        csv_file = source_path / outfile
+        raw_data.to_csv(csv_file, sep="\t")